.bg-f2f7fe {
  background-color: #f2f7fe;
}
.lwxm-banner {
  background: url(../images/lxwm_banner.png) no-repeat center top;
  height: 580px;
}
.title-box h2 {
  display: inline-block;
  text-align: left;
  font-size: 30px;
  font-weight: 900;
  color: #151515;
  margin-bottom: 30px;
  position: relative;
  margin-left: 20px;
  line-height: 30px;
  background-image: linear-gradient(#e1f5ff, #e1f5ff);
  background-repeat: repeat-x;
  background-position: 0 20px;
}
.title-box h2:before {
  content: "";
  width: 6px;
  height: 30px;
  border-radius: 5px;
  background: linear-gradient(180deg, #67f0d2, #3ca2ff);
  position: absolute;
  left: -20px;
  top: 52%;
  transform: translate(0, -50%);
}

.forum-box p {
  font-size: 20px;
  color: #151515;
  margin-bottom: 30px;
  line-height: 30px;
}

/* 参会嘉宾 */
.chjb-box {
  background: #f2f7fe;
  width: 100%;
  height: 920px;
}
.chjb-box .guest-list {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
}
.chjb-box .guest-list .guest-list-item {
  width: 224px;
  height: 290px;
  cursor: pointer;
  border-radius: 5px;
  overflow: hidden;
  margin-bottom: 20px;
  background: #00aeff;
}

.chjb-box .guest-list .guest-list-item a {
  position: relative;
}

.chjb-box .guest-list .guest-list-item img {
  width: 224px;
  height: 290px;
}
.chjb-box .guest-list .guest-list-item .sub-title-box {
  width: 100%;
  position: absolute;
  bottom: 0px;
  background: rgba(55, 113, 188, 0.8);
  text-align: left;
  padding: 10px;
}
.chjb-box .guest-list .guest-list-item .sub-title-box .sub-title {
  color: #ffffff;
  font-size: 18px;
  font-weight: bold;
  position: relative;
}
.chjb-box .guest-list .guest-list-item .sub-title-box .sub-title::after {
  content: "";
  position: absolute;
  width: 26px;
  border-radius: 3px;
  height: 3px;
  background-color: #56cdff;
  bottom: -4px;
  left: 10px;
  transform: translate(-50%, 0);
}

.chjb-box .guest-list .guest-list-item .sub-title-box .desc {
  padding-top: 10px;
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 14px;
  color: #fff;
}

.chjb-box .more-btn {
  width: 100%;
  text-align: center;
  margin-top: 50px;
}

.chjb-box .more-btn a {
  padding: 10px 50px;
  border-radius: 20px;
  color: #3a8fff;
  border: 1px solid #3a8fff;
  cursor: pointer;
}

.chjb-box .more-btn a:hover {
  background: #3a8fff;
  border: 1px solid #3a8fff;
  color: #fff;
}
/* 侧栏 */
/* .sidebar-forum-right:hover:after {
  content: "";
  position: absolute;
  background: url(../images/forum-right-box2.png) no-repeat;
  width: 230px;
  height: 110px;
  top: 50%;
  left: 48%;
  transform: translate(-50%, -50%);
}
.sidebar-forum-right .btn-lt {
  display: block;
  width: 180px;
  height: 58px;
  padding-top: 8px;
  color: #fff;
  background: linear-gradient(180deg, #3ca2ff, #3467e9);
  border-radius: 30px;
  text-align: center;
  margin: 20px 0;
  position: relative;
  z-index: 99;
} */


.sidebar-forum-right.hide {
  width: 40px;
  height: 40px;
  border-radius: 20px;
  background-color: #fff;
  box-shadow: 0 0 10px #a1acb0;
}
.sidebar-forum-right {
  width: auto;
  height: auto;
}
.sidebar-forum-right:after {
  content: '';
  position: absolute;
  background: url(../images/forum-right-box2.png) no-repeat;
  width: 230px;
  height: 110px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.sidebar-forum-right.hide:after {
  width: 0;
  height: 0;
}
.arrow-forum {
  position: absolute;
  z-index: 9;
  top: 50%;
  left: -14px;
  transform: translate(0, -50%);
}
.sidebar-forum-right.hide .arrow-forum{
  left: 50%;
  transform: translate(-50%, -50%);
}
.sidebar-forum-right .btn-lt {
  display: block;
  visibility: visible;
  opacity: 1;
  width: 180px;
  height: 58px;
  line-height: 58px;
  color: #fff;
  background: linear-gradient(180deg, #3ca2ff, #3467e9);
  border-radius: 30px;
  text-align: center;
  margin: 20px 0;
  position: relative;
  z-index: 99;
}
.sidebar-forum-right .btn-lt:hover {
  background: linear-gradient(180deg, #5bccf9, #3467e9);
}
.sidebar-forum-right.hide .btn-lt {
  visibility: hidden;
  opacity: 0;
}